(19)

(11)

EP 3 983 039 A1

(12)

(43) Date of publication: 20.04.2022 Bulletin 2022/16 (21) Application number: 20821910.5 (22) Date of filing: 12.06.2020

(51) International Patent Classification (IPC):  A61M 16/10(2006.01) (52) Cooperative Patent Classification (CPC): A61M 16/16; A61M 16/0066; A61M 16/0816; A61M 16/20; A61M 16/202; A61M 2205/505; A61M 16/109; A61M 2205/3653; A61M 2205/6045; A61M 2202/0208; A61M 2205/42; A61M 2209/086; A61M 2205/8206; A61M 2205/8262; A61M 16/107; A61M 2205/3633; A61M 16/1095; A61M 16/1085; A61M 2205/21   C-Sets: A61M 2202/0208; (86) International application number: PCT/NZ2020/050061 (87) International publication number: WO 2020/251376 (17.12.2020 Gazette 2020/51)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 14.06.2019 US 201962861515 P 15.11.2019 US 201962935867 P (71) Applicant: Fisher & Paykel Healthcare Limited East Tamaki Auckland, 2013 (NZ)	(72) Inventors: WALLS, Bruce Michael Auckland, 2013 (NZ) GRYLLS, Peter Lawrence Auckland, 2013 (NZ) WRIGHT, Douglas Richard Auckland, 2013 (NZ) NIGHTINGALE, Christopher Earl Auckland, 2013 (NZ) (74) Representative: Boult Wade Tennant LLP  Salisbury Square House 8 Salisbury Square London EC4Y 8AP London EC4Y 8AP (GB)